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Plate tectonics (from Latin tectonicus, from Ancient Greek τεκτονικός (tektonikós) 'pertaining to building') [1] is the scientific theory that Earth's lithosphere comprises a number of large tectonic plates, which have been slowly moving since 3–4 billion years ago.
Pure shear sandbox model of thrust fault formation. Analogue modelling is a laboratory experimental method using uncomplicated physical models (such as a sandbox) with certain simple scales of time and length to model geological scenarios and simulate geodynamic evolutions. [1] [2] There are numerous limitations affecting the direct study of ...
English: How Earth's tectonic plates and lands may have been positioned and moved in the past: an animated video of a full-plate tectonic model extended one billion years into the past. It is a result of the 2020 study "Extending full-plate tectonic models into deep time".
Plate tectonics is a theory suggesting that the Earth's lithosphere is essentially composed of plates floating on the mantle. [97] The mantle convection model is fundamental in modeling the plates floating on it, and there are two major approaches to incorporate the plates into this model: rigid-block approach and rheological approach. [2]
A classic example of the Wilson Cycle is the opening and closing of the Atlantic Ocean. It has been suggested that Wilson cycles on Earth started about 3 Ga in the Archean Eon. [1] The Wilson Cycle model was a key development in the theory of plate tectonics during the Plate Tectonics Revolution.
The vast majority of volcanic provinces which are thought to be anomalous in the context of rigid plate tectonics have now been explained using the plate theory. [15] [14] The type examples of this kind of volcanic activity are Iceland, Yellowstone, and Hawaii. Iceland is the type example of a volcanic anomaly situated on a plate boundary.